News Release

CBOT Ag Complex Volume Continues to Grow

Fri Sep 29 2006

For Immediate Release

Media Contact:
Jennifer Rook
(312) 435-3625
news@cbot.com

CBOT AGRICULTURAL COMPLEX VOLUME CONTINUES TO GROW
--ELECTRONIC AG AND TOTAL WHEAT VOLUMES SET RECORDS --

CHICAGO, IL, September 29, 2006 – The Chicago Board of Trade (CBOT) announced today that volume in its Agricultural products continues to grow, as the Exchange experienced its third best trading day for the complex on Thursday, September 28. A total of 781,713 Ag futures and options contracts changed hands at the CBOT that day. 

The Exchange set a record for electronic trading for Agricultural futures with 242,929 contracts traded, up 57 percent from the previous record set on August 14, 2006.

CBOT Wheat futures volume also set a record, climbing to 191,580 contracts. This surpasses the prior record of 157,446 contracts set on May 31, 2006.

The CBOT offers a broad set of Agricultural futures and options on futures contracts including Corn, Wheat, Soybeans, Soybean Oil, Soybean Meal, Soybean Crush and Rough Rice.  On August 1, 2006, the Exchange increased global access to these benchmark Agricultural products and launched trading of Full-sized, physically delivered Agricultural futures contracts on its electronic trading platform during daytime trading hours.

For more information on the CBOT and its products, please visit www.cbot.com.

About the CBOT
As one of the leading global derivative exchanges, the Chicago Board of Trade provides a diverse mix of financial, equity and commodity futures and options-on-futures products.  Building on its 158-year history, the CBOT continues to advance into the future using the strength of deep liquidity, market integrity and member-trader expertise.  Using superior trading technology in both electronic and open-auction trading platforms, the CBOT provides premier customer service to risk managers and investors worldwide.  For more information, visit our website at www.cbot.com.

Forward Looking Statements
Certain statements in this press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and includes any use of the words “may,” “should,” “could,” “expects,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential” or “continue.”  These statements are based on management’s current expectations and involve assumptions that may be subject to change or risks and uncertainties that could cause actual results to differ materially from those set forth in the statements.  Accordingly, actual outcomes and results may differ materially from what is expressed or implied in any forward-looking statement contained in this press release.  The factors that may affect our performance may be found in the Annual Report on Form 10-K and other periodic reports filed by CBOT Holdings, Inc. with the U.S. Securities and Exchange Commission (“SEC”).  These filings can be obtained at the SEC’s website at www.sec.gov.  We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

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